#include<iostream>
#include<cmath>
using namespace std;
int main(){
    int n,a,b,q;
    cin>>n>>a>>b>>q;
    int *arr = new int[n];
    for(int i=0;i<n;i++)
        cin>>arr[i];
    while(q--){
        int type,l,r;
        cin>>type>>l>>r;
        if(type==1){
            arr[l] = r;
        }else{
            float sol = (-b)/(float)a;
            float ans = 0;
            for(int i=l,j=0;i<=r;i++,j++){
                ans = ans + ((float)pow(sol,j)*(float)arr[i]);
            }
            if(ans == 0){
                cout<<"Yes"<<endl;
            }else{
                cout<<"No"<<endl;

                            }



        }
    }


}